Portion of a shoe sole



FIG. 1 is a front perspective view of a first portion of a shoe sole showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a second rear perspective view thereof;

FIG. 5 is a front perspective view of a second portion of a shoe sole showing disclaimed depression features;

FIG. 6 is a rear perspective view thereof;

FIG. 7 is a side view thereof; and,

FIG. 8 is a second rear perspective view thereof.

The uneven broken lines showing depression features in FIGS. 5-8 within the shaded region are for illustrative purposes only and form no part of the claimed design. The uneven broken line showing the remainder of shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe sole, as shown and described. 